FastSloth vs Buff

No account. No subscription. No data leaves your phone. FastSloth is a private intermittent fasting tracker with fasting insights, **calorie tracking, a personal recipe book**, hydration and weight tracking, Home Screen widgets, and **custom themes with a Theme Builder**. Start fasting in one tap. ## NEW: CALORIE TRACKER & RECIPE BOOK Track your daily calories alongside your fasting progress. Log meals and foods throughout the day, see your calorie totals at a glance, and keep everything together in one simple place. Save your favorite meals in your personal Recipe Book so you can quickly reuse recipes and keep track of what you eat. ## THEMES & THEME BUILDER Choose a built-in theme or create your own. Customize colors and appearance with the Theme Builder and make FastSloth feel like yours. ## FASTING MADE SIMPLE Start with one tap. Choose 16:8, 14:10, 18:6, 20:4, OMAD, or create a custom fasting schedule. See estimated fasting stages as you progress, including fat burning, ketosis, and autophagy. ## CALORIE TRACKING Log your meals and track your daily calorie intake. See how your nutrition fits alongside your fasting schedule, hydration, and weight progress. ## RECIPE BOOK Save and organize your favorite recipes directly in FastSloth. Keep the meals you make most often close at hand and quickly reuse them when tracking what you eat. ## HYDRATION Log water in seconds, track daily progress, and set hydration reminders. See your progress from the Home Screen with the hydration widget. ## WEIGHT & INSIGHTS Track your weight over time with simple charts that make trends easy to see. ## SMART NOTIFICATIONS * Fast start and end alerts * Fasting stage notifications * Water reminders ## STREAKS & MILESTONES Track completed fasts, build streaks, and unlock milestone badges. ## HOME SCREEN WIDGETS See your current fast, hydration progress, and streak without opening the app. ## PRIVATE BY DESIGN No account. No subscription. Your fasting history, calorie logs, recipes, weight, hydration logs, and settings stay on your device. ## FASTING PROTOCOLS * **16:8** * **14:10** * **18:6** * **20:4** * **23:1 / OMAD** * **Custom schedules** Private. Personal. Lightweight. **Download FastSloth and start fasting your way.**

Build a nutrition plan that fits your goals, then see how each day and week adds up. Buff is a calorie, macro and progress tracker for people who want one clear place to log food, workouts and body changes. Set editable targets based on your age, body profile, activity and goal, or choose your own numbers. LOG FOOD YOUR WAY • Search foods and recent meals • Scan barcodes or enter foods manually • Create custom foods and reusable recipes • Review calories, protein, carbs and fat before saving SEE THE WHOLE DAY • Track calories eaten, remaining and burned • Review protein, carb and fat targets at a glance • Organise entries by breakfast, lunch, dinner and snacks • Spot daily and weekly patterns, totals and streaks TRACK FITNESS AND PROGRESS • Log workouts manually • Optionally import workout energy from Apple Health • Follow weight and body-fat trends over time • Record chest, waist, hips, arms and thighs • Add front, side and back progress photos OPTIONAL BUFF+ Buff+ unlocks AI meal-photo analysis and follow-up corrections. Add up to three meal photos, review the editable calorie and macro estimate, make any changes, and save only when you’re happy. BUILT FOR REAL LIFE Buff is offline-first: logging stays responsive and sync resumes when you’re connected. Meal reminders, metric and imperial units, light and dark themes, and account deletion are built in. AI estimates and calorie targets are starting points, not medical advice. Always review estimates and consult a qualified health professional for personal guidance. BUFF+ SUBSCRIPTIONS Buff+ is available as monthly and annual auto-renewing subscriptions. Payment is charged to your Apple Account at confirmation. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings. Terms: https://usebuff.app/terms/ Privacy: https://usebuff.app/privacy/